diff options
Diffstat (limited to 'include/libyuv/convert.h')
| -rw-r--r-- | include/libyuv/convert.h | 1045 |
1 files changed, 1045 insertions, 0 deletions
diff --git a/include/libyuv/convert.h b/include/libyuv/convert.h new file mode 100644 index 00000000..88619a4f --- /dev/null +++ b/include/libyuv/convert.h @@ -0,0 +1,1045 @@ +/* + * Copyright 2011 The LibYuv Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef INCLUDE_LIBYUV_CONVERT_H_ +#define INCLUDE_LIBYUV_CONVERT_H_ + +#include "libyuv/basic_types.h" + +#include "libyuv/rotate.h" // For enum RotationMode. + +// TODO(fbarchard): fix WebRTC source to include following libyuv headers: +#include "libyuv/convert_argb.h" // For WebRTC I420ToARGB. b/620 +#include "libyuv/convert_from.h" // For WebRTC ConvertFromI420. b/620 +#include "libyuv/planar_functions.h" // For WebRTC I420Rect, CopyPlane. b/618 + +#ifdef __cplusplus +namespace libyuv { +extern "C" { +#endif + +// Convert I444 to I420. +LIBYUV_API +int I444ToI420(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert I444 to NV12. +LIBYUV_API +int I444ToNV12(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert I444 to NV21. +LIBYUV_API +int I444ToNV21(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_vu, + int dst_stride_vu, + int width, + int height); + +// Convert I422 to I420. +LIBYUV_API +int I422ToI420(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert I422 to I444. +LIBYUV_API +int I422ToI444(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert I422 to I210. +LIBYUV_API +int I422ToI210(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert MM21 to NV12. +LIBYUV_API +int MM21ToNV12(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert MM21 to I420. +LIBYUV_API +int MM21ToI420(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert MM21 to YUY2 +LIBYUV_API +int MM21ToYUY2(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_yuy2, + int dst_stride_yuy2, + int width, + int height); + +// Convert MT2T to P010 +// Note that src_y and src_uv point to packed 10-bit values, so the Y plane will +// be 10 / 8 times the dimensions of the image. Also for this reason, +// src_stride_y and src_stride_uv are given in bytes. +LIBYUV_API +int MT2TToP010(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert I422 to NV21. +LIBYUV_API +int I422ToNV21(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_vu, + int dst_stride_vu, + int width, + int height); + +// Copy I420 to I420. +#define I420ToI420 I420Copy +LIBYUV_API +int I420Copy(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert I420 to I444. +LIBYUV_API +int I420ToI444(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Copy I010 to I010 +#define I010ToI010 I010Copy +#define H010ToH010 I010Copy +LIBYUV_API +int I010Copy(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert 10 bit YUV to 8 bit +#define H010ToH420 I010ToI420 +LIBYUV_API +int I010ToI420(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define H210ToH420 I210ToI420 +LIBYUV_API +int I210ToI420(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define H210ToH422 I210ToI422 +LIBYUV_API +int I210ToI422(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define H410ToH420 I410ToI420 +LIBYUV_API +int I410ToI420(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define H410ToH444 I410ToI444 +LIBYUV_API +int I410ToI444(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define H012ToH420 I012ToI420 +LIBYUV_API +int I012ToI420(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define H212ToH422 I212ToI422 +LIBYUV_API +int I212ToI422(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define H212ToH420 I212ToI420 +LIBYUV_API +int I212ToI420(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define H412ToH444 I412ToI444 +LIBYUV_API +int I412ToI444(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define H412ToH420 I412ToI420 +LIBYUV_API +int I412ToI420(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define I412ToI012 I410ToI010 +#define H410ToH010 I410ToI010 +#define H412ToH012 I410ToI010 +LIBYUV_API +int I410ToI010(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height); + +#define I212ToI012 I210ToI010 +#define H210ToH010 I210ToI010 +#define H212ToH012 I210ToI010 +LIBYUV_API +int I210ToI010(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert I010 to I410 +LIBYUV_API +int I010ToI410(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert I012 to I412 +#define I012ToI412 I010ToI410 + +// Convert I210 to I410 +LIBYUV_API +int I210ToI410(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert I212 to I412 +#define I212ToI412 I210ToI410 + +// Convert I010 to P010 +LIBYUV_API +int I010ToP010(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert I210 to P210 +LIBYUV_API +int I210ToP210(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert I012 to P012 +LIBYUV_API +int I012ToP012(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert I212 to P212 +LIBYUV_API +int I212ToP212(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert I400 (grey) to I420. +LIBYUV_API +int I400ToI420(const uint8_t* src_y, + int src_stride_y, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert I400 (grey) to NV21. +LIBYUV_API +int I400ToNV21(const uint8_t* src_y, + int src_stride_y, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_vu, + int dst_stride_vu, + int width, + int height); + +#define J400ToJ420 I400ToI420 + +// Convert NV12 to I420. +LIBYUV_API +int NV12ToI420(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert NV21 to I420. +LIBYUV_API +int NV21ToI420(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_vu, + int src_stride_vu, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert NV12 to NV24. +LIBYUV_API +int NV12ToNV24(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert NV16 to NV24. +LIBYUV_API +int NV16ToNV24(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert P010 to I010. +LIBYUV_API +int P010ToI010(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_uv, + int src_stride_uv, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert P012 to I012. +LIBYUV_API +int P012ToI012(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_uv, + int src_stride_uv, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert P010 to P410. +LIBYUV_API +int P010ToP410(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_uv, + int src_stride_uv, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert P012 to P412. +#define P012ToP412 P010ToP410 + +// Convert P016 to P416. +#define P016ToP416 P010ToP410 + +// Convert P210 to P410. +LIBYUV_API +int P210ToP410(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_uv, + int src_stride_uv, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert P212 to P412. +#define P212ToP412 P210ToP410 + +// Convert P216 to P416. +#define P216ToP416 P210ToP410 + +// Convert YUY2 to I420. +LIBYUV_API +int YUY2ToI420(const uint8_t* src_yuy2, + int src_stride_yuy2, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert UYVY to I420. +LIBYUV_API +int UYVYToI420(const uint8_t* src_uyvy, + int src_stride_uyvy, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert AYUV to NV12. +LIBYUV_API +int AYUVToNV12(const uint8_t* src_ayuv, + int src_stride_ayuv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_uv, + int dst_stride_uv, + int width, + int height); + +// Convert AYUV to NV21. +LIBYUV_API +int AYUVToNV21(const uint8_t* src_ayuv, + int src_stride_ayuv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_vu, + int dst_stride_vu, + int width, + int height); + +// Convert Android420 to I420. +LIBYUV_API +int Android420ToI420(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + int src_pixel_stride_uv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// ARGB little endian (bgra in memory) to I420. +LIBYUV_API +int ARGBToI420(const uint8_t* src_argb, + int src_stride_argb, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// Convert ARGB to I420 with Alpha +LIBYUV_API +int ARGBToI420Alpha(const uint8_t* src_argb, + int src_stride_argb, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + uint8_t* dst_a, + int dst_stride_a, + int width, + int height); + +// BGRA little endian (argb in memory) to I420. +LIBYUV_API +int BGRAToI420(const uint8_t* src_bgra, + int src_stride_bgra, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// ABGR little endian (rgba in memory) to I420. +LIBYUV_API +int ABGRToI420(const uint8_t* src_abgr, + int src_stride_abgr, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// RGBA little endian (abgr in memory) to I420. +LIBYUV_API +int RGBAToI420(const uint8_t* src_rgba, + int src_stride_rgba, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// RGB little endian (bgr in memory) to I420. +LIBYUV_API +int RGB24ToI420(const uint8_t* src_rgb24, + int src_stride_rgb24, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// RGB little endian (bgr in memory) to J420. +LIBYUV_API +int RGB24ToJ420(const uint8_t* src_rgb24, + int src_stride_rgb24, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// RGB big endian (rgb in memory) to I420. +LIBYUV_API +int RAWToI420(const uint8_t* src_raw, + int src_stride_raw, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// RGB big endian (rgb in memory) to J420. +LIBYUV_API +int RAWToJ420(const uint8_t* src_raw, + int src_stride_raw, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// RGB16 (RGBP fourcc) little endian to I420. +LIBYUV_API +int RGB565ToI420(const uint8_t* src_rgb565, + int src_stride_rgb565, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// RGB15 (RGBO fourcc) little endian to I420. +LIBYUV_API +int ARGB1555ToI420(const uint8_t* src_argb1555, + int src_stride_argb1555, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// RGB12 (R444 fourcc) little endian to I420. +LIBYUV_API +int ARGB4444ToI420(const uint8_t* src_argb4444, + int src_stride_argb4444, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height); + +// RGB little endian (bgr in memory) to J400. +LIBYUV_API +int RGB24ToJ400(const uint8_t* src_rgb24, + int src_stride_rgb24, + uint8_t* dst_yj, + int dst_stride_yj, + int width, + int height); + +// RGB big endian (rgb in memory) to J400. +LIBYUV_API +int RAWToJ400(const uint8_t* src_raw, + int src_stride_raw, + uint8_t* dst_yj, + int dst_stride_yj, + int width, + int height); + +// src_width/height provided by capture. +// dst_width/height for clipping determine final size. +LIBYUV_API +int MJPGToI420(const uint8_t* sample, + size_t sample_size, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int src_width, + int src_height, + int dst_width, + int dst_height); + +// JPEG to NV21 +LIBYUV_API +int MJPGToNV21(const uint8_t* sample, + size_t sample_size, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_vu, + int dst_stride_vu, + int src_width, + int src_height, + int dst_width, + int dst_height); + +// JPEG to NV12 +LIBYUV_API +int MJPGToNV12(const uint8_t* sample, + size_t sample_size, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_uv, + int dst_stride_uv, + int src_width, + int src_height, + int dst_width, + int dst_height); + +// Query size of MJPG in pixels. +LIBYUV_API +int MJPGSize(const uint8_t* sample, + size_t sample_size, + int* width, + int* height); + +// Convert camera sample to I420 with cropping, rotation and vertical flip. +// "src_size" is needed to parse MJPG. +// "dst_stride_y" number of bytes in a row of the dst_y plane. +// Normally this would be the same as dst_width, with recommended alignment +// to 16 bytes for better efficiency. +// If rotation of 90 or 270 is used, stride is affected. The caller should +// allocate the I420 buffer according to rotation. +// "dst_stride_u" number of bytes in a row of the dst_u plane. +// Normally this would be the same as (dst_width + 1) / 2, with +// recommended alignment to 16 bytes for better efficiency. +// If rotation of 90 or 270 is used, stride is affected. +// "crop_x" and "crop_y" are starting position for cropping. +// To center, crop_x = (src_width - dst_width) / 2 +// crop_y = (src_height - dst_height) / 2 +// "src_width" / "src_height" is size of src_frame in pixels. +// "src_height" can be negative indicating a vertically flipped image source. +// "crop_width" / "crop_height" is the size to crop the src to. +// Must be less than or equal to src_width/src_height +// Cropping parameters are pre-rotation. +// "rotation" can be 0, 90, 180 or 270. +// "fourcc" is a fourcc. ie 'I420', 'YUY2' +// Returns 0 for successful; -1 for invalid parameter. Non-zero for failure. +LIBYUV_API +int ConvertToI420(const uint8_t* sample, + size_t sample_size, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int crop_x, + int crop_y, + int src_width, + int src_height, + int crop_width, + int crop_height, + enum RotationMode rotation, + uint32_t fourcc); + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif + +#endif // INCLUDE_LIBYUV_CONVERT_H_ |